schaller



C. SCHALLER.

CALCULATING MACHINE.

APPLICATION FILED IIINE I9, IsIs.

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C. SCHALLER. 'cALcuLAmc MACHINE.

APPLICATION FILED JUNE I9, 1.916.

. 1,400,003. Patented' 1190.13, 1921.

3 SHEETS-SHEET 2.

C. SCHALLER.

CALCULATING MACHINE.

APPLICATION FILED JUNE I9, Isle.

1,400,003. Patented Dec. 13, 1921.

3 SHEETS-SHEET 3.

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M- fM l 5w/Wm @WW M077@ CARL SCHALLER, or BRUNSWICK, GERMANY, .AssiGNoRTo Garni/in, NATALis a col,

NT ortica.

COMMANDITGESELLSCHAFT AUF ACTIEN, OF BRUNSWICK, GERMANY, *.A'COR-PO'-RATION OF-GERMAN Y.

oALcULATiNG-MACHINE l Specification of LettersPatent. Patentd Declg,1921 Application ledrJ'une 19, 1916. Serial No. .104,537.

(Giimi'nn UNDER THE raovIsIoNs or THE acT or mincir a, 1921,41 STAT. L.,1313i) To @ZZfwLom t may concern: Y

Be it'known that I, CARL SoHAnLnii, citizen of the Duchy of Brunswick,l-mpire oi" (ierinany, residing at Brunswick, Germany, have inventedcertain new and useful Improvements in Calculating-Machines,V ci whichthe following is a speciiication. i

My present invention relates to calculating machines or the type inwhich the numbers and items to be introduced into the calculation areset up through the agency of keys, and in lwhich the result of thecalculation mounted on a sliding carriage. Otherwise,

the interior construction of the machine is' quite immaterial'tor thepurpose of my Y present invention and may vary widely.

It is the object of my invention to provide 'means for shifting thetraveling .carriage stepwise in either directionV eachstepVcorresponding to onedenoininational unit; and

tolocate suitable actuators for such shitting meansat the front of themachine.

In the accompanying drawings, I have illustratedv an embodiment oi myinvention, by way ,of example, it being understood` that modificationslmay be made in the construction and disposition of parts shown withoutthereby involving a departure fromy the spirit and scope of myinvention.

Intlie drawings, Figure l shows a niachine with this invention, .partlyin side elevation, partlyrin section. Fig. 2 represents the machineviewed from the i'eai` and ypartly cut away to show the mechanism bymeans of which this invention is carried into effect; kITigBis` a viewsimilar to Fig. l showing the mechanismin another stage oieoperationfFig. 4 is -a view simiiai-to F ig. 2`but showing the mechanismin the stage operation represented "in Fig. 3,

. Referring to the drawings, the sliding carl' riage a which carries thecomputing wheels (not shown) isprovided with a spring actuated latch bwhich cooperates with a rack c provided on a part of the machineiramefor the purpose of vlocking the carriage a in various positions. Onmoving the latch ZJ out of engagement with the said rackc, the carriagei is released tok be shifted by hand.

The novel means for obtainingy an automatic and stepwise shifting of theAsliding carriage a, each step corresponding in its extent to oneydenominational unit, will now Y ported in the rear part ofthe machineand have extensions which teiminatef in. cani faces f, by means or"which a leverv h is swung about its pivot g whereby theupper end ot'tlielever 7i acts against a comb-edged plate ,7c oscillatingly supportedon the shai 71.

Vhen thev plate /0 isvr caused'to swing igor# ward it engages the latchb'wherevei1v the same may bepositioned within its sliding path, anddisengages the latch from the star- V tionary rack c; see Fig. 3.

4The comb edge plate'/c with its shaft z', is mounted in a sliding frameu, which is guided, by means oi pins fu', in slotted parts w secured tothe frame of the machine, and although the latch o is now in engagementwith the teeth of the platey le, the carriage a may yet be moved inconjunction with thev plate 7c. The joint movement is caused in a mannerwhich will nowv be described.-

In accordance with which of the two keys or actuators cl and e is beingdepressed, the corresponding one of the two'stays Z 'and m will be-aised. Both these stays arel swingingly suspended on common yokeV 0which is mounted on the pivot a. yThen owing to the key e beingdepressed, the stay m is raised, as illustrated in Fig. 4, the yoke 0vis caused to'swing to the left. `However, this swinging action of theyoke would be prevented by the second stay Z which is not set in motionby the key cl, but for the provision of special means which cause it tomove away from the key Z and Ythus gain free space to descend while theassociated stay'm ascends, the said means compris-y ing stationary pinsg that engage slots p in the respective stays Z and m. While the yoke oswings, the stationary pins g form pivots about which the stays arecompelled to rock whereby the stay that is" not rraised by therespective key, is caused to move away from its associated key.

The yoke 0 is formed with'an opening 1- through which proj ectsa pin s(von 'the slidling frame u, and by reason of this consaidframe 'u and movethe same in either direction in conjunction with the comb edged platealeand the carriage a.' The eX- 'z will then engage'the said fingerv fromspring 15,'v see `Figs.V 4 and 3. Y t

To insure Ytheirrproper. return intol thev tent of the shift thusproduced corresponds tothe regular distance between two denomginationalunits.` The V resulting unit shift pression of the key-d.

come locked thereby. The comb edged plate 1c together with its slidingvframe 4u is then free to Vbe automatically returned into the initialposition by the Vaction otthe iiiedinitial position, no matter whetherthe shift has been tothe left or-to"thefright,a

finger m' is provided which is loosely susf I pended'roma'part ofthemachinc frame' and 4which coperates with two stationary stops y, y,limiting the swing of the finger in either-direction; Y, The comb platekisy provided witha projection that engages the finger from: the leftwhen the said platereturns underv the action of its spring 701 afterhavingV performed the above def.

scribed shift tothef'leiit, which. direction is indicated by the fulllined arrow in Fig. 2.

When the sliding'frame u has been shiftedv to the right and thecombvedged plate `7c swingsV backV under the action of the spring k1into its rearward position, the projection the right and move the sameAagainst the left to secure, by Letters Patent ofthe UnitedY v operativeposition on actuation of any oi Vsaid actuat0rs,iwhereafter saidcarriage is f stop y. Y z Y Y What I claim as my invention and desireStates, is: I

' 1.- Ina calculating machine, in combination with a sliding carriage,means for auto--v matically shifting said carriage stepwise ineither-direction, said means comprising an actuator Jfor causing theshift iii one direction,- a second actuator for causing the shift in adirection opposite to the direction caused by said first actuator, and,oscillat-V ing means for moving the carriage and loosely engaged andalternately operated by ythey said actuators for moving thecarriage indifferentfdirections. A

V2. Inra calculatingrmachine, in combination with aslidingcarriag'e,alpair of actuators, afyoke having anv oscillating move- Vment Vandsupported on a stationary Vpivot and having arms loosely and 4independently engaged Y by the individual ,actuators and operative tobeswung in one direction by one i offsaid'actuators and inthe oppositedirec-4 tion bythe second of said actuators, and operativefconnectionsbetween vsaid.' yoke and said carriage whereby said carrageis roducedby' a de-y n releasing the Clef. 'pressed key, the spring k1 causesthe'l plate t Il:v Atofswing back allowing the latch o to 1 again engagethe stationary rack c andbeshifted in either direction on actuation of isaid actuators.

f3.- ln a calculating machine, Vin coni'bina- Y tion with a slidingcarriage, spr-ing.actusY ated latch on said carriage, stationary meansadaptedto vcio-act with said latch in any ef Y fective position of saidcarriage,;m ean`s for automatically shifting said slidingcarriage aVsecond actuator for causing thei'shiftof the device in a'directionoppositeitc the dire'cf` tion caused by said first actuator, meansiiormoving said latch into inoperativeposition,

and operative connection between said o'scilYV f Y la-ting device andvsaid actuators, whereby on actuation of any of. saidactuators'said'latch is caused to assume an inoperative position.

4. ln a calculatingmachine, in combinaV tion with a sliding carriage, aspringactai--Y Y l.ated latch on said `carriage having apro-V Y iection,stationary rack means to co-act withl saidlatch land with whichsaidprojectioii ,-f

engages in any effective positionof said car V 1 riage, a pair ofactuators, a yoke having V Y Yarms and supported on a stationarypivotVVand adapted to beswung in one Vdirection by tions between said structureandV saidcarriage, whereby said carriagey is shiftedain either directionon yactuation of said, actuak one of said.actuators, said actuatorshaving j l a loose engagement kwith the-arms ofthe'v yoke, andiin theopposite directiongby v the second of said actuators,.operativecornice-, f

tors,;means for moving said latch into inop erative position, andoperativel connections between the last named means andsaid actu` ators,wherebysaid latch is movedout of itsV Y- f freelto be moved in eitherdirectionl 5. ln. a calculating machine, in combina tion with a slidingcarriage, a pair of jactu.

ating'levers, a two-armed yoke oscillatingly supported intermediateits-arms, a pair-ofV slotted bars pivotally connectedto the ends of saidarms having their slots engagingstationary pins and adapted to beraisedhy said actuators;V whereby `said structure is Vcaused to swing`inzone direction on actua tion Vof onel actuator and 4in tlieoppositedirection on Vactuation of the other actuator, a

sliding frame having its sliding path paral.-`V 1 lel to the slidingpath of said carriage, i

means for movably connecting said rtrame and said carriage, operativeconnections between` said sliding'iirame and said structure, where,-

coupling means, whereby said sliding rameV 'bytsaid frameis shifted inVeither; direction is coupled to said carriage on actuation of either ofsaid actuators.

6. in a calculating machine, in combination with a sliding carriage,- a`spring actuated latch on said carriage, stationary means adapted toco-act with said latch in any effective position or' said carriage, aslidingl trame sliding `parallel to said carriage, mem'- beil mountedoscillatorily on said trame and adapted t-o co-act with said latch inany eiiective position of said carriage and simultaneously disengagesaid latch from said stationary means, said member being norgagingstationary pins and adapted to be raised by said actuators, wherebylsaid structure is caused to swing in one direction on actuation ot oneactuator and in the opposite direction on actuation of the other`actuator, an operative connection between said structure and saidsliding frame for imparting to the latter a shift in a directioncorresponding vto the direction of the swinging movement of saidstructure, means tending` to return said frame into central position,and operative connections between said oscillatory member and saidactuators, whereby said actuators are enabled to act upon said member tocause the same to enace said latch and simultaneousl f release the sainefrom said stationary means, whereafter said carriage can be shifted inconjunction with said frame.

7. In a calculating machine. in combination with a sliding carriage, a.spring actuated latch'on said carriage, stationary means adapted toco-act with saidV latch in any etective position of said carriage, apair of actuators, a two-armed structure oscillatorily supportedintermediate its arms, each arm having` a bar pivot-ally connectedtheretov and mounted to slide and swing and yloosely detachably engagingone of said actuators. whereby said structure will be swung` in onedirection by actuation of one of said actuators and in the oppositedirection by -actuation of4 the second actuator, means for automaticallydetaching one of saidfbars from its respective actuator when the otherbar is being operated by its respective actuator, operative connectionsbetweensaid structure and said carriage, wherebyl said carriage will ,beshifted in either direction on actuation of said actuators, means formoving said latch into inoperative position, and operative connectionsbetween the last named means and said actuators, whereby said latch ismoved out ot' its operative position on actuation of either of saidactuators.

8. In a vcalculating machine, in combination with a sliding carriage, apair of actuating levers, a two-armed' structure oscillatingly supportedintermediate its arms, a pair of bars pivotally connected to the ends ofsaid "arms and t'ormed with slot-s to permit them to slide and swinglaterally and adapted to loosely and detachably engage said actuators,whereby vsaid structure is caused to swing in one direction Y byactuation of one actuator and inthe opposite direction by actuation otthe other actuator, means for automatically disengaging one ot said barsfrom its respective actuator while the other bar is being operated vbyits respective actuator, a sliding frame sliding parallel to saidcarriage, a spring actuated latch on said carriage, stationary means forco-acting with said latch in any effective position of said carriage, amember oscillatorily 'mounted on said sliding frame'and adapted toco-act with said latch in any elective position of said carriage andsimultaneouslyv disengage said latch from said stationary means, saidmember being normally held away from said latch, an voperativeconnection between said sliding -frame and said two-armed structure,whereby said frame is shifted in either direction in accordancewith thedirection of the swinging movement of said structure, means tending toreturn saidrtramel into central position after each shifting movement,means adapted to cooperate with said fame and comprising two stationarystops for insuring the central position, and operative connectionsbetween ysaid oscillatory member andy said actuators, whereby saidactuators are enabled to act upon said member to cause the same` toengage said latch and simultaneously release the said latch from saidstationary means, whereafter saidcarriage can be shifted in conjunctionwith said sliding frame and through the agency of said structuresimultaneously' actuated by said actuators.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

CARL SCHALLER.

'Witnessesz WILHELM LEHRKE, .EUGENE C. HARTER.

